Table 3.

Genes with functions related to male gonadal development and pigmentation in the MSY region

Ymac startYmac endYgua startYgua endGene annotationComments on function and expression
23.793.17423.796.13623.577.72523.580.685Sperm-associated antigen 8-likeCell cycle regulation during spermiogenesis
24.828.97224.829.88624.651.60124.652.515Growth arrest and DNA damage-inducible protein GADD45 gammaRegulates SRY; sex reversal candidate
24.833.87224.834.94824.656.49824.657.585Growth arrest and DNA damage-inducible protein GADD45 gammaGrowth arrest at puberty; male-specific trait
24.940.63624.943.64624.771.39824.774.385Prostate androgen-regulated mucin-like protein 1 (PARM)Target of androgen
25.311.39425.334.88025.141.77225.165.256Cilia- and flagella-associated protein 44Sperm motility
25.856.67025.863.32125.773.31925.780.388Cyclin-I isoform X1 [Poecilia reticulata]Last genetic marker 229; male-specific SNPs
25.979.80925.982.06325.987.74725.993.537Spindlin-1-like [Xiphophorus maculatus]Ssty domain; spermiogenesis
26.568.28926.572.87626.574.47526.579.107Flagellar WD repeat-containing protein Pf20-likeSperm motility
27.005.42527.007.89727.199.91327.202.448Sepiapterin reductaseRed and yellow pigment
27.061.48527.081.38827.260.49327.281.378Outer dense fiber protein 2Sperm motility
27.302.39427.309.96227.453.81227.462.891LMBR1 domain-containing protein 2Male bias expression in gonad
27.329.42227.332.46827.484.29227.487.357Cilia- and flagella-associated protein 53 [P. reticulata]Sperm mobility; male bias
28.069.25328.075.41928.176.11428.182.692Hydroxysteroid dehydrogenase-like protein 2 isoform X1Steroid metabolism

[i] Positions (in base pairs) are listed for Guanapo and Maculatus haplotypes.

[ii] Comments on function and expression are based on an analysis of gene annotations. For expression patterns, see Supplemental Table S4.